Plant Physiology-Plant Growth and Development (NEET Biology): Questions 1 - 7 of 46

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Question number: 1

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

MCQ▾

Question

A potted plant placed near the window bends outwardly due to

Choices

Choice (4) Response

a.

Greater light availability to tip.

b.

More auxin content on the shaded side.

c.

Greater oxygen availability to the tip.

d.

Availability of necessary warmth to the tip.

Question number: 2

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

MCQ▾

Question

Which combination of gases is suitable for fruit ripening?

Choices

Choice (4) Response

a.

80 % CO2 and 20 % O2

b.

80 % CO2 and 20 % CH2

c.

80 % C2H4 and 20 % CO2

d.

80 % CH4 and 20 % CO2

Question number: 3

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

MCQ▾

Question

Which of the following is not naturally occurring plant hormone?

Choices

Choice (4) Response

a.

2, 4-D

b.

GA2

c.

Gibberellin

d.

IAA

Question number: 4

» Plant Physiology » Plant Growth and Development » Seed Dormancy

MCQ▾

Question

Legume seeds exhibit dormancy because of

Choices

Choice (4) Response

a.

Hard seed coat.

b.

Absence of gibberellic acid.

c.

Absence of cytokinins.

d.

Undeveloped employs.

Question number: 5

» Plant Physiology » Plant Growth and Development » Conditions of Growth

MCQ▾

Question

A pair of insectivorous plants is

Choices

Choice (4) Response

a.

Drosera and Rafflesia

b.

Dionaea and Viscum

c.

Nepenthes and Bladderwort

d.

Venus fly trap and Rafflesia

Question number: 6

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

MCQ▾

Question

Differentiation of shoot is controlled by

Choices

Choice (4) Response

a.

High gibberellin: auxin ratio.

b.

High cytokinin: auxin ratio.

c.

High gibberellin: cytokinin ratio.

d.

High auxin: cytokinin ratio.

Question number: 7

» Plant Physiology » Plant Growth and Development » Conditions of Growth

MCQ▾

Question

Santalum album is

Choices

Choice (4) Response

a.

total root parasite

b.

partial stem parasite

c.

partial root parasite

d.

total stem parasite

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